Question

evaluate using identity 97×103​

Answer 1

Step-by-step explanation:

97 × 103

(100-3)(100+3)

(100)sq - (3)sq

10000 - 9

9991

Answer 2

Step-by-step explanation:

97×103 (using identity (a+b) (a-b)

(100-3)(100+3)

${100}^{2} - {3}^{2}$

10000-9

9991